diff --git a/src/backends/meta-viewport-info.c b/src/backends/meta-viewport-info.c
index 0e7c0a2b9..37481bf47 100644
--- a/src/backends/meta-viewport-info.c
+++ b/src/backends/meta-viewport-info.c
@@ -100,7 +100,7 @@ meta_viewport_info_get_view_at (MetaViewportInfo *viewport_info,
     {
       ViewInfo *info = &g_array_index (viewport_info->views, ViewInfo, i);
 
-      if (mtk_rectangle_contains_point (&info->rect, x, y))
+      if (mtk_rectangle_contains_pointf (&info->rect, x, y))
         return i;
     }